The phrase 'clarifications on whether' is correct and usable in written English.
You can use it when you're asking for more information about something that wasn't clearly explained. For example, "We need clarifications on whether these changes will affect our current policies."
In August, prosecutors asked for clarification on whether the e-mail message was protected.
Tullow requires clarification on whether the ruling on no new drilling until the case is resolved (due during 2017) includes further Ten development wells.
Shadow assistant defence minister David Feeney wants urgent clarification on whether the documents were classified, adding that Labor never used "top-secret material as props".
The association also pushed for clarification on whether companies would be required to build a room for nursing mothers if an appropriate space did not exist.
For their part, lawyers for Mr. Gore filed arguments with the state Supreme Court here, in support of Palm Beach County's request for clarification on whether its recount could continue.
"We also want clarification on whether the current automatic 50% discount, where convicted drivers serve only half their jail term, will still apply for these new, proposed sentences".
Mr. Cuomo's office also sought clarification on whether the governor could bring friends of his children on the aircraft without reimbursement.
Judge Seeborg said he wanted clarification on whether there could be relief for the millions of Facebook users whose names and photographs had already been used.
FEAR VERSUS GREED -- For investors spooked by both inflation fears and the prospect of a housing market correction, clarification on whether to buy or sell is on the way.
US Soccer sued the team's union in February, seeking clarification on whether the team's labor deal – a Memorandum of Understanding signed in 2013 and in effect through the end of 2016 – prohibited the team from going on strike.
